Boleslav (Boleslaus) III (died 1037) was duke of Bohemia from 999 until 1002. // Events Construction of the church of Saint Sophia Cathedral is started in Kyiv. ... Bohemia Bohemia (Czech: Čechy; German: Böhmen) is a historical region in central Europe, occupying the western and middle thirds of the Czech Republic. ... For other uses, see number 999. ... Events November 13 - English king Ethelred gives order to kill all Danes in England. ...

The eldest son of Boleslaus II the Pious. Boleslaus III was a weak ruler in whose chaotic reign, Bohemia became a pawn in the long war between the Holy Roman Emperor Henry II and Boleslaus the Brave, King of Poland. Boleslaus became duke of Bohemia in 999. By 1002 a revolt forced Boleslaus to flee to Poland whilst his kinsman Vladivoj took the Czech throne. Boleslav II the Pious (died February 7, 999) was the son of Boleslav I the Cruel. ... The Holy Roman Emperor was, with some variation, the ruler of the Holy Roman Empire, the predecessor of modern Germany, during its existence from the 10th century until its collapse in 1806. ... Henry II of Germany (972 - 13 July 1024), was the fifth and last Holy Roman Emperor of the Saxon or Ottonian dynasty. ... Reign From 992 until 1025 Coronation On April 18, 1025 in Gniezno Cathedral, Poland Royal House Piast Coat of Arms Orzeł Piastowski Parents Mieszko I Dubrawka Consorts Rikdaga Judith Enmilda Oda Children with Judith Bezprym with Enmilda Regelina Mieszko II Lambert Otton with Oda Matylda Date of Birth 966/ 967... For other uses, see number 999. ... The origins of the Czech duke Vladivoj are unclear. ...

On February 9 1003 Boleslaus was restored to authority with armed support from Heinrich von Schweinhurst, Margrave of the Ostmark. The duke soon undermined his own position by ordering a massacre of his leading nobles at Vysehrad.

Boleslaus's brothers Jaromir and Oldrich fled to Germany and placed themselves under the protection of Henry II. At the same time Boleslaus the Brave, claiming the ducal throne for himself, invaded Bohemia and took Prague without any serious opposition. Boleslaus III was blinded and imprisoned, probably dying in captivity some thirty years later. Prague (Praha in Czech) is the capital and largest city of the Czech Republic. ...